Ensure desirable compile flags are used.  We want RPM_OPT_FLAGS rather than
upstream's idea of suitable optimization flags, per Fedora packaging
guidelines, and we *don't* want -ffast-math, per bug #629964.


diff -Naur libdbi-drivers-0.8.2-1.orig/configure.in libdbi-drivers-0.8.2-1/configure.in
--- libdbi-drivers-0.8.2-1.orig/configure.in	2007-02-22 03:15:36.000000000 -0500
+++ libdbi-drivers-0.8.2-1/configure.in	2007-10-30 16:59:42.000000000 -0400
@@ -56,7 +56,7 @@
         case $host in
         *-*-linux*)
                 DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
-                CFLAGS="-O20 -ffast-math -D_REENTRANT -fsigned-char"
+                CFLAGS="-D_REENTRANT -fsigned-char $RPM_OPT_FLAGS"
                 PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
         sparc-sun-*)
                 DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char -mv8"